ReflectionParameter::hasType
(PHP 7, PHP 8)
ReflectionParameter::hasType — Checks if parameter has a type
说明
public ReflectionParameter::hasType(): boolChecks if the parameter has a type associated with it.
参数
此函数没有参数。
返回值
true if a type is specified, false otherwise.
范例
示例 #1 ReflectionParameter::hasType() example
<?php
function someFunction(string $param, $param2 = null) {}
$reflectionFunc = new ReflectionFunction('someFunction');
$reflectionParams = $reflectionFunc->getParameters();
var_dump($reflectionParams[0]->hasType());
var_dump($reflectionParams[1]->hasType());
以上例程的输出类似于：
bool(true) bool(false)
参见
ReflectionParameter::getType() - Gets a parameter's type
User Contributed Notes
There are no user contributed notes for this page.官方地址：https://www.php.net/manual/en/reflectionparameter.hastype.php